21699510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{541}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 59940864

約数和(自身を除く): 38241354

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 191, 210, 382, 541, 573, 955, 1082, 1146, 1337, 1623, 1910, 2674, 2705, 2865, 3246, 3787, 4011, 5410, 5730, 6685, 7574, 8022, 8115, 11361, 13370, 16230, 18935, 20055, 22722, 37870, 40110, 56805, 103331, 113610, 206662, 309993, 516655, 619986, 723317, 1033310, 1446634, 1549965, 2169951, 3099930, 3616585, 4339902, 7233170, 10849755, 21699510]

約数ペア:

[(1, 21699510), (2, 10849755), (3, 7233170), (5, 4339902), (6, 3616585), (7, 3099930), (10, 2169951), (14, 1549965), (15, 1446634), (21, 1033310), (30, 723317), (35, 619986), (42, 516655), (70, 309993), (105, 206662), (191, 113610), (210, 103331), (382, 56805), (541, 40110), (573, 37870), (955, 22722), (1082, 20055), (1146, 18935), (1337, 16230), (1623, 13370), (1910, 11361), (2674, 8115), (2705, 8022), (2865, 7574), (3246, 6685), (3787, 5730), (4011, 5410)]